How Do Structured Cabling Subsystems Work?

Telecom Business Review | Thursday, May 13, 2021

Structured cabling makes it much simpler to install a cable infrastructure supporting a wide range of voice and data communications equipment.

FREMONT, CA: Cable infrastructure installation, troubleshooting, and maintenance are greatly simplified with structured cabling. In addition, this saves money by normalizing all hardware components and cable types.

Six Structured Cabling Subsystems

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Entrance Facilities

Telecom facilities landing at a residence or building from the outside -- from a private network or local service carrier -- pass over an opening in the outside wall. This cabling joins an indoor where other devices like network connection points, hardware connectors, power supplies, patch panels, equipment racks, and protection devices for grounding, shielding, and lightning protection are deployed.

Equipment Room

The equipment room is where entrance cabling links to the internal building wiring infrastructure. It houses patch panels connecting backbone, horizontal, and intermediate cabling. This room may also adapt network switches, servers, PBXs, and other devices. As per equipment vendor specifications, it should be environmentally controlled to maintain relative humidity and temperature.

Backbone Cabling

Also known as riser cabling, generally installed in vertical channels, or risers, links to each floor -- backbone cabling links EF, telecommunications, other ERs, and carrier spaces. Two subsystems defined for backbone cabling are:

1. Cabling Subsystem 2 is between horizontal & intermediate cross-connect (IC).

2. Cabling between the main MC(cross-connect) and an IC is Cabling Subsystem 3

Telecommunications Room & Telecommunications Enclosure

Hardware in these spaces winds up determination and horizontal cables. Cables are also cross-connected using jumpers or patch cords on patch panels. ICs or MCs may be established here to offer extra connection resources.

Horizontal Cabling

The task of horizontal cabling is to get telecom resources to users in their work areas.

Horizontal cabling incorporates the cable, patch panels, connectors, jumpers, and patch cords in the TR/TE. They may also have multiple-user telecommunications outlet groups and consolidation points to connect multiple devices or cables in a single connector.

Work Area

The WA is the last destination of a structured cable system where the area from a jack, or connector, in a wall outlet to a user device employing a cable.

Structured cabling has considerably simplified installing voice and data communications equipment. Also, its continued use means new equipment, such as IoT systems, will be easily supported.

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